Which type of energy transformation comes from electric heater?

Why is permeable soil best for plants that need a lot of drainage?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)